// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.ComponentModel.DataAnnotations;
using System.Globalization;
using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
using Microsoft.Extensions.Localization;
 
namespace Microsoft.AspNetCore.Mvc.DataAnnotations;
 
internal sealed class MaxLengthAttributeAdapter : AttributeAdapterBase<MaxLengthAttribute>
{
    private readonly string _max;
 
    public MaxLengthAttributeAdapter(MaxLengthAttribute attribute, IStringLocalizer? stringLocalizer)
        : base(attribute, stringLocalizer)
    {
        _max = Attribute.Length.ToString(CultureInfo.InvariantCulture);
    }
 
    public override void AddValidation(ClientModelValidationContext context)
    {
        ArgumentNullException.ThrowIfNull(context);
 
        MergeAttribute(context.Attributes, "data-val", "true");
        MergeAttribute(context.Attributes, "data-val-maxlength", GetErrorMessage(context));
        MergeAttribute(context.Attributes, "data-val-maxlength-max", _max);
    }
 
    /// <inheritdoc />
    public override string GetErrorMessage(ModelValidationContextBase validationContext)
    {
        ArgumentNullException.ThrowIfNull(validationContext);
 
        return GetErrorMessage(
            validationContext.ModelMetadata,
            validationContext.ModelMetadata.GetDisplayName(),
            Attribute.Length);
    }
}